Best Budget Airlines Operating in Knoxville Tennessee for Affordable Travel Options

If you live in East Tennessee and you're hoping to stretch your travel dollars, Knoxville’s McGhee Tyson Airport has quietly become a hub for affordable airfare. Allegiant Air, Frontier Airlines, Breeze Airways, and Avelo Airlines are the primary low-cost carriers serving TYS, connecting Knoxville to a growing list of U.S. cities without the hefty price tag. Add in competitive fares from legacy airlines like American, Delta, and United during sales, and you’ve got more ways than ever to book a trip that doesn’t clean out your checking account.

Travelers who spend a few minutes comparing options often uncover round-trip fares well below the national average. Understanding which airlines fly from Knoxville, how they charge for extras, and when to book can make the difference between a budget-breaking flight and a surprisingly good deal.

Key Takeaways

• McGhee Tyson Airport hosts four dedicated low-cost carriers, plus legacy airlines that frequently drop prices on select routes.
• Base fares are only part of the story—extra fees for bags, seat selection, and boarding priority can inflate the total cost fast.
• Booking one to three months ahead and using flight price alerts consistently yields the lowest fares.
• Exploring nearby airports such as Asheville and Chattanooga may open up even cheaper itineraries.

Low-Cost Carriers at McGhee Tyson Airport

Knoxville’s low-cost airline lineup has expanded significantly in the last few years. Each carrier brings a slightly different business model, and knowing how they operate helps you avoid unpleasant surprises at checkout. Below is a closer look at the four budget airlines currently flying from TYS.

Allegiant Air

Allegiant Air remains the most established budget airline at McGhee Tyson. Founded on the idea of linking small cities to popular vacation spots, Allegiant offers nonstop flights from Knoxville to a rotating list of destinations that typically includes Orlando/Sanford, Fort Lauderdale, Punta Gorda, and St. Petersburg/Clearwater. Fares as low as $39 one-way show up in its frequent promotions, especially during off-peak travel windows like late September or early February.

The trade-off is an à la carte pricing model. You start with a bare-bones ticket that includes only a personal item; adding a carry-on, checked bag, or advance seat assignment raises the total. Allegiant also does not serve complimentary snacks or drinks on board, so travelers who want more than a cup of water should plan ahead. Booking through Allegiant’s website rather than third-party platforms sometimes unlocks small discounts, and joining the Allegiant World Mastercard program can offer additional savings if you fly with them a few times a year.

Frontier Airlines

Frontier Airlines brings its signature ultra-low-cost model to Knoxville with routes to Denver, Orlando, and Philadelphia, among others. Similar to Allegiant, Frontier advertises extremely low base fares—often under $50—but virtually everything beyond a personal item carries a fee. The airline’s “Lowest Fare Guarantee” on its website is worth remembering when you see a cheaper rate elsewhere for the same flight.

Frontier’s Discount Den membership ($59.99 per year) provides access to exclusive reduced fares and discounted add-on bundles. For families or groups who can plan in advance, the Kid Fly Free program—available on select flights during certain booking periods—eliminates the airfare for children under 15 when traveling with an adult who purchases a Discount Den membership. Travelers should measure the value of these programs against their actual travel habits before committing. Frontier also tends to run flash sales midweek, so monitoring its social media channels can pay off.

Breeze Airways

Breeze Airways launched service at McGhee Tyson in 2023 and quickly added nonstop flights to Charleston, Orlando, Tampa, and New Orleans. Breeze markets itself as a “nice low-cost carrier,” aiming to combine budget pricing with a more comfortable onboard experience. Its fleet includes newer Airbus A220 aircraft on many routes, with seats that offer more width and legroom than the typical budget airline configuration.

Breeze breaks its fare types into Nice, Nicer, and Nicest bundles. The Nicer tier includes a checked bag, carry-on, and extra legroom, while Nicest is essentially a first-class-style seat with priority everything. Even at the Nice level, you can purchase seat assignments and bags individually. The airline’s app-based booking experience is slick, and Breeze often credits new users with a small travel credit. Because the airline is still building its network, route announcements happen frequently, so a destination that isn’t served today might appear in the next schedule update.

Avelo Airlines

Avelo Airlines entered the Knoxville market with a single but strategic route to New Haven, Connecticut, positioning itself as a convenient, low-cost link between East Tennessee and the Northeast. The airline’s no-frills philosophy mirrors Frontier and Allegiant—low base fares, fees for seat assignments and carry-on bags, and a straightforward booking process. Avelo’s strength is simplicity; it flies to underserved city pairs where it can offer direct competition to longer drives or pricier legacy connections.

Fares on the Knoxville–New Haven route can dip below $59 one-way during promotions, and schedule adjustments are communicated clearly through the airline’s email alerts. Because Avelo operates a limited number of flights per week, flexibility is less than with larger carriers, but the savings are often substantial for travelers who can lock in dates early.

Comparing Top Low-Cost Carriers at TYS

Choosing among these four budget airlines starts with understanding the true cost of your trip. The table below breaks down the basics so you can weigh base fares against typical extra charges and find the booking window that works for your schedule.

Airline	Base Fares	Extra Fees	Booking Tips	Best Time to Fly
Allegiant Air	Lowest	Bags, seat selection, onboard purchases	Book 2-3 months ahead; join email list for promo codes	Late fall through early spring (except holidays)
Frontier Airlines	Low, frequent $29-$49 sales	Carry-on, checked bags, seat, bundles	Check Discount Den; book on Tuesdays or Wednesdays	January, February, September
Breeze Airways	Moderate-low	Bags and seat selection (unless Nicer/Nicest)	Use the app for introductory credits; book 4-6 weeks out	Shoulder seasons, midweek departures
Avelo Airlines	Low	Carry-on, checked bag, priority boarding	Monitor for flash deals; book well in advance for busier routes	Non-holiday periods, Tuesday/Wednesday flights

It is worth comparing the total cost across all four carriers. A $39 Allegiant ticket that becomes $129 after a carry-on and seat assignment might be pricier than a Breeze Nicer bundle that already includes those extras. Running a quick fare comparison on a site like Google Flights can reveal which airline truly offers the better deal for your specific travel dates.

When Legacy Airlines Offer Better Value

Low-cost carriers don’t always win on price. American Airlines, Delta Air Lines, and United Airlines all operate multiple daily flights from Knoxville and occasionally match or beat budget fares, especially on connecting itineraries. American, for example, frequently prices its Knoxville–Dallas or Knoxville–Charlotte segments competitively when booked as part of a round-trip itinerary to the West Coast. Delta’s afternoon flight to Atlanta can land you in dozens of onward destinations, and United’s service through Chicago or Newark often comes with reasonable round-trip fares in the $150-$250 range during off-peak times.

The key difference is what you get for the money. A legacy airline ticket typically includes a carry-on bag and a personal item, and some fares still allow free changes or cancellations. Seat selection in standard economy is usually included, and the onboard experience—Wi-Fi, complimentary snacks, power outlets—tends to be more consistent. For travelers who value reliability, a full-service airline with multiple backup flights on the same route can salvage a trip when weather or mechanical delays hit.

To spot these value fares, set price alerts on Kayak or a similar aggregator and include all airlines in your search. January, February, and early March are often when legacy carriers run systemwide sales that drop Knoxville fares to competitive levels.

McGhee Tyson Airport Guide

McGhee Tyson Airport (TYS) sits roughly 12 miles south of downtown Knoxville in Alcoa, Tennessee. It serves as the primary commercial gateway for East Tennessee and handles around two and a half million passengers a year. Compact and easy to navigate, the airport is well suited for budget travelers who want to avoid the long security lines and crowded terminals that define larger hubs.

Airport Amenities and Parking

TYS offers a single terminal layout split into a main concourse and a satellite concourse. Most budget airlines operate out of the main concourse, meaning you can park, check in, clear security, and reach your gate within 15 to 20 minutes on a normal day. Parking options include a short-term lot right across from the terminal ($18 per day), a long-term lot ($11 per day), and an economy lot ($8 per day) with a complimentary shuttle. For the most affordable parking, book online through the official McGhee Tyson website; prepaid reservations often discount the daily rate by a few dollars.

Inside the terminal, you’ll find free Wi-Fi, a business center, and a selection of local eateries like Ruby Tuesday and Smoky Mountain Bar & Grill. While the dining options aren’t extensive, they are enough to grab a quick meal before boarding. The airport also hosts an art program that displays works from regional artists, adding a touch of local character to the airside experience.

Direct and Connecting Flight Options

On a typical day, McGhee Tyson offers nonstop service to more than 25 destinations through a mix of low-cost and legacy carriers. The most popular nonstop routes include Atlanta, Charlotte, Chicago, Dallas, Denver, Orlando, and Washington, D.C. Many of these cities serve as hubs for American, Delta, and United, opening up one-stop connections to hundreds of domestic and international destinations.

Connecting flights are often the cheapest way to reach the West Coast or Northeast from Knoxville, but they rarely beat the convenience of a direct flight on a budget airline. When you find a nonstop Allegiant or Frontier option to your destination, the time saved can justify a slightly higher fare once you factor in the value of your own hours. If you are willing to connect, check that the layover is at least 90 minutes to reduce the risk of misconnecting, especially when traveling during winter months.

Nearby Airports for Budget Travel

Expanding your search radius to include other regional airports can uncover fares that are $50 to $100 cheaper than what’s available from Knoxville. Asheville Regional Airport (AVL), about an hour and forty minutes east, has a strong Allegiant presence along with service on American, Delta, and United. Sometimes a low-cost carrier runs a promotion from AVL that isn’t mirrored at TYS, making the drive worthwhile.

Chattanooga Metropolitan Airport (CHA) sits roughly 110 miles southwest of Knoxville and offers similar low-cost routes—often with Frontier and Allegiant flights to Florida and the western U.S. Nashville International Airport (BNA) is about three hours away and can be a smart option for international flights or deeply discounted Southwest Airlines tickets, though the drive is only practical for longer trips where the airfare savings exceed the cost of gas and a possible overnight stay. Always calculate the full door-to-door cost before committing to an airport farther from home.

Tips for Finding the Cheapest Flights from Knoxville

Scoring a great deal isn’t about luck; it’s about timing, flexibility, and using the tools that airlines would rather you didn’t know about. A few deliberate habits can cut your annual travel spending significantly.

Use Price Alerts and Flexible Date Searches

Set up price alerts for the Knoxville routes you travel most. Google Flights, Skyscanner, and Hopper all allow you to track specific city pairs and will notify you when fares drop. Instead of hunting for deals day after day, let the algorithm do the work.

A flight calendar view is equally powerful. Being able to see the price of every departure throughout the month often reveals that shifting your trip by a single day can save $40 or more. As a general rule, Tuesdays and Wednesdays yield the lowest fares for Knoxville departures, while Friday and Sunday flights carry a weekend premium.

Book Inside the Sweet Spot

For domestic budget routes from McGhee Tyson, the optimal booking window is roughly 4 to 10 weeks ahead of travel. Booking earlier rarely produces better prices on low-cost carriers because airlines release their cheapest seats closer to the departure date to fill the plane. Waiting until the final week, however, typically backfires—last-minute fares on Allegiant and Frontier can jump to $200 or more for a route that was $59 a month ago.

When your schedule is rigid, book as soon as you see a fare that fits your budget. When you have wiggle room, wait for a flash sale. Signing up for the airlines’ email lists and following their social media accounts is the best way to know about a promotion within hours of its launch.

Consider Connecting Flights Strategically

Direct flights are the convenient choice, but they aren’t always the cheapest. If you’re heading to a city not served nonstop from Knoxville, compare one-stop itineraries on legacy carriers against the price of flying nonstop on a budget airline to the nearest major city and then driving. For instance, a $79 Frontier flight to Denver might look great until you add up the cost of a rental car to reach Colorado Springs. In that scenario, a $150 connecting flight into Colorado Springs with United could be the better overall value.

Also, don’t overlook the option to book two separate one-way tickets on different airlines—sometimes flying out on Allegiant and returning on American costs less than a round-trip on either carrier.

Arriving in Knoxville: Transportation and Accommodations

Once your plane touches down in Knoxville, getting to your final stop and finding a place to stay rounds out the budget travel equation. McGhee Tyson’s layout makes ground transportation straightforward, and the area’s lodging options cover everything from airport-adjacent chains to downtown boutiques.

Ground Transportation and Car Hire

All major rental car companies—including Hertz, Avis, Enterprise, and Budget—operate counters inside the terminal, just past baggage claim. Reserving a car online before you arrive consistently delivers the best rates and avoids the risk of limited availability during busy Tennessee football weekends or holiday peaks. Daily rental rates in Knoxville start around $35-$45, though advance bookings often drop that closer to $25.

Ridesharing services Uber and Lyft are authorized to pick up at TYS, with typical fares to downtown Knoxville running between $20 and $30. Taxis line up outside the arrivals hall, but they tend to be slightly pricier. The airport does not have a direct public transit link; Knoxville Area Transit operates bus routes in the city but does not extend service to the terminal, so plan on a rental car or rideshare unless your hotel offers a complimentary shuttle.

Hotels Near McGhee Tyson Airport

If you’re arriving late or departing early, a cluster of hotels within a two-mile radius of the airport provides an affordable alternative to driving home in the dark. Options like the Hampton Inn Knoxville Airport, Holiday Inn Express & Suites Alcoa, and Best Western Knoxville Airport all run free shuttles to the terminal on a set schedule. Rates for these properties typically range from $90 to $130 per night, though booking through a site like Booking.com during off-peak periods can secure rooms below $80.

Many airport hotels include continental breakfast, Wi-Fi, and parking for the duration of your trip if you drive yourself to the airport and leave the car there—a money-saving alternative to the airport’s long-term parking lot. Confirm the shuttle operating hours with the front desk, especially if your flight lands after midnight.

Getting to Central Knoxville

The drive from McGhee Tyson to downtown Knoxville takes about 20 minutes via Alcoa Highway (US-129) and James White Parkway. Central Knoxville has seen a wave of investment in the last decade, and the Market Square area in particular pulses with locally owned restaurants, breweries, live music venues, and seasonal festivals. On a sunny afternoon, it is easy to spend a few hours walking from the East Tennessee History Center to the shops on Gay Street without spending much money.

Parking downtown is metered during business hours but free on weekends and after 6 p.m. on weekdays. Several public garages charge flat evening rates of $5 to $10. If you’d rather not deal with the car, rideshare services cover the downtown corridor efficiently and affordably.

Top Spots to Explore in Knoxville

Budget travel doesn’t mean skipping the city’s highlights. A few hours in Knoxville between flights can feel like a mini vacation if you know where to go.

• Market Square: The pedestrian-friendly heart of downtown, lined with independent coffee shops, craft breweries, and rotating art installations. Grab a biscuit from Tupelo Honey or a taco from Soccer Taco and people-watch under the shade trees.
• Sunsphere: The iconic golden tower from the 1982 World’s Fair remains Knoxville’s most recognizable landmark. The observation deck on the fourth floor is free and opens up a 360-degree view of the city, the Tennessee River, and the Smoky Mountains in the distance.
• World’s Fair Park: The lawn beneath the Sunsphere offers plenty of space to stretch your legs after a flight. The park’s performance lawn and splash pads make it a family-friendly destination, and the park connects directly to the Knoxville Museum of Art, which offers free admission.

Knoxville’s central location also makes it a practical launching point for day trips into the Great Smoky Mountains National Park or down to Chattanooga’s riverfront. Budget-conscious travelers can use a Knoxville hotel as a base and explore the region with a rental car, saving money compared to staying inside the park or in pricier tourist zones.